this.mess = 'windows mess'

function Ls() {
    this.mess = 'ss';
}

Ls.prototype.toStringInArrow = () => {
    console.log(this.mess);
}

Ls.prototype.toStringInFunc = function () {
    console.log(this.mess);
}

lsb = new Ls();
lsb.toStringInFunc();



